CAFO issued 9/9/03, assessing a penalty of $10,313. Respondent shall make four quarterly installments of $2,578.25. The first payment is due by 12/03, last payment due by 9/04. Respondent failed to immediately notify the NRC as soon as Respondent had knowledge of the release of diazinon that was in an amount equal to or greater than its RQ at Respondent's facility.